宁夏巨刺螨属一新种(蜱螨亚纲,巨刺螨科)  

A NEW SPECIES OF THE GENUS MACRONYSSUS FROM NINGXIA, CHINA (ACARI, MACRONYSSIDAE)

作　　者：白学礼[1] 马立名[2] 

机构地区：[1]宁夏回族自治区疾病预防控制中心,银川750004 [2]中国鼠疫布氏菌病预防控制基地,白城137000

出　　处：《动物分类学报》2010年第1期179-182,共4页Acta Zootaxonomica Sinica

摘　　要：记述巨刺螨属1新种:泾源巨刺螨Macronyssus jingyuanensis sp.nov.标本采自宁夏回族自治区泾源县西峡区伏翼Pipistrellus sp.体,保存于军事医学科学院微生物流行病研究所昆虫标本馆。A new species of the genus Macronyssus is described in the present paper.Macronyssus jingyuanensis sp. nov.（Figs.1-10） Female. Length of idiosoma 667-806 （av. 729）μm,width 409-505 （av. 468）μm at level of coxae Ⅳ. Dorsal shield 570-591 （av. 588）μm long and 247-269 （av. 265）μm wide, bearing 28 pairs of setae, of which central setae minute. Length of dorsal shield setae： F_1 21, F_3 56, V 45, T_1 53, Sc 53, ET_1 34, ET_2 38, S_1 49, S_2 49, S_3 41, S_4 34, S_5 26, S_6 11, S_7 26, S_8 6, M_5 41, M_8 26, M_10 26, M_11 26, D_1-8 11, I_1 19. Sc∶D_3=5∶1. Dorsal cuticle setae more than 40 pairs. Posterior concavity of sternal shield distant from level of St_2, with 3 pairs of setae and 2 pairs of pores, St_1 and St_2 longer than St_3 and MSt, St_1 near to posterior margin of sternal shield distally, MSt on cuticle behind of the shield. Presternal reticulation region distinct. Genital shield long and narrow, reticulated, with 1 pair of setae. Anal shield inverse pear-shaped, Ad lying at level of middle of anus, shorter than anus, PA longer than anus. Peritreme reaching to anterior part of coxa Ⅰ anteriorly. Ventral cuticle setae more than 50 pairs. Fixed digit of chela with 2 spines. Coxae Ⅱ with an antero-dorsal spine respectively. Male. Length of idiosoma 538-602 （av. 570）μm,width 333-398 （av. 366）μm. Dorsal shield 505-538 （av. 521）μm long and 215μm wide, dorsal shield setae as in female. Length of dorsal shield setae： F_1 19, F_3 38, V 26, T_1 38, Sc 38, ET_1 23, ET_2 26, S_1 30, S_2 30, S_3 26, S_4 23, S_5 19, S_6 11, S_7 19, S_8 6, M_5 26, M_8 19, M_10 19, M_11 23, D_1-8 11, Ⅰ_1 15. Sc∶D_3=3∶1. Dorsal cuticle setae about 14 pairs. Sterno-genital shield with 5 pairs of setae and 3 pairs of pores. Ventro-anal shield with 4 pairs of ventral setae and 3 perianal setae. Perianal setae as in female. Ventral cuticle setae 24-38 pairs. Peritreme reaching to anterior part of coxa Ⅱ anteriorly.Spermatodactyl of chela narrow. Antero-dorsal spin

关 键 词：蜱螨亚纲 中气门目 巨刺螨科 巨刺螨属 新种 

分 类 号：Q969[生物学—昆虫学]